Opera glasses



FIG. 1 is a perspective view of opera glasses showing our new design;

FIG. 2 is a perspective view thereof from the side opposite that shownin FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view thereof from the left of FIG. 4, theopposite end elevational view being the mirror image thereof; and

FIG. 6 is a top plan view thereof, the bottom plan view thereof beingidentical.

The ornamental design for opera glasses, as shown and described.